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Financial Integration: A New Methodology and an Illustration

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  • Robert P. Flood
  • Andrew K. Rose

Abstract

This paper develops a simple new methodology to test for asset integration and applies it within and between American stock markets. Our technique is tightly based on a general intertemporal asset-pricing model, and relies on estimating and comparing expected risk-free rates across assets. Expected risk-free rates are allowed to vary freely over time, constrained only by the fact that they are equal across (risk-adjusted) assets. Assets are allowed to have general risk characteristics, and are constrained only by a factor model of covariances over short time periods. The technique is undemanding in terms of both data and estimation. We find that expected risk-free rates vary dramatically over time, unlike short interest rates. Further, the S&P 500 market seems to be well integrated, and the NASDAQ is generally (but not always) integrated. However, the NASDAQ is poorly integrated with the S&P 500.

Suggested Citation

  • Robert P. Flood & Andrew K. Rose, 2003. "Financial Integration: A New Methodology and an Illustration," NBER Working Papers 9880, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:9880
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    References listed on IDEAS

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    1. Hansen, Lars Peter & Jagannathan, Ravi, 1991. "Implications of Security Market Data for Models of Dynamic Economies," Journal of Political Economy, University of Chicago Press, vol. 99(2), pages 225-262, April.
    2. Chen, Zhiwu & Knez, Peter J, 1995. "Measurement of Market Integration and Arbitrage," The Review of Financial Studies, Society for Financial Studies, vol. 8(2), pages 287-325.
    3. Fama, Eugene F & French, Kenneth R, 1996. "Multifactor Explanations of Asset Pricing Anomalies," Journal of Finance, American Finance Association, vol. 51(1), pages 55-84, March.
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    Cited by:

    1. De Santis, Roberto A. & Sarno, Lucio, 2008. "Assessing the benefits of international portfolio diversification in bonds and stocks," Working Paper Series 883, European Central Bank.
    2. Eduardo Levy Yeyati & Sergio Luis Schmukler & Neeltje Van Horen, 2006. "International Financial Integration through the Law of One Price," Business School Working Papers 2006-01, Universidad Torcuato Di Tella.
    3. Claus, Edda & Lucey, Brian M., 2012. "Equity market integration in the Asia Pacific region: Evidence from discount factors," Research in International Business and Finance, Elsevier, vol. 26(2), pages 137-163.
    4. Jennifer Corbett, 2010. "Asian Financial Integration," Chapters, in: Noel Gaston & Ahmed M. Khalid (ed.), Globalization and Economic Integration, chapter 5, Edward Elgar Publishing.
    5. Ying Xu & Jennifer Corbett, 2019. "Using Network Method to Measure Financial Interconnection," NBER Working Papers 26499, National Bureau of Economic Research, Inc.
    6. Yarovaya, Larisa & Brzeszczyński, Janusz & Goodell, John W. & Lucey, Brian & Lau, Chi Keung Marco, 2022. "Rethinking financial contagion: Information transmission mechanism during the COVID-19 pandemic," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 79(C).
    7. Evans, Martin D.D. & Hnatkovska, Viktoria V., 2014. "International capital flows, returns and world financial integration," Journal of International Economics, Elsevier, vol. 92(1), pages 14-33.
    8. Rose, Andrew-K, 2004. "Equity Integration in Japan: An Application of a New Method," Monetary and Economic Studies, Institute for Monetary and Economic Studies, Bank of Japan, vol. 22(2), pages 1-17, May.
    9. Arribas, Iván & Peiró-Palomino, Jesús & Tortosa-Ausina, Emili, 2020. "Is full banking integration desirable?," Journal of Banking & Finance, Elsevier, vol. 112(C).
    10. Mr. Phurichai Rungcharoenkitkul, 2011. "Risk Sharing and Financial Contagion in Asia: An Asset Price Perspective," IMF Working Papers 2011/242, International Monetary Fund.
    11. Xu, Ying & Corbett, Jenny, 2020. "What a network measure can tell us about financial interconnectedness and output volatility," Journal of the Japanese and International Economies, Elsevier, vol. 58(C).
    12. Flood, Robert P & Rose, Andrew, 2004. "Estimating the Expected Marginal Rate of Substitution: Exploiting Idiosyncratic Risk," CEPR Discussion Papers 4684, C.E.P.R. Discussion Papers.
    13. P N Smith & S Sorensen & M R Wickens, "undated". "An Asset Market Integration Test Based on Observable Macroeconomic Stochastic Discount Factors," Discussion Papers 03/14, Department of Economics, University of York.
    14. Claeys, Peter & Moreno, Rosina & Suriñach, Jordi, 2012. "Debt, interest rates, and integration of financial markets," Economic Modelling, Elsevier, vol. 29(1), pages 48-59.
    15. Pérez, Francisco & Arribas, Iván & Tortosa-Ausina, Emili, 2009. "Openness and geographic neutrality: How do they contribute to international banking integration?," MPRA Paper 17211, University Library of Munich, Germany.
    16. Arribas, Iván & Pérez, Francisco & Tortosa-Ausina, Emili, 2011. "A network perspective on international banking integration," Journal of Policy Modeling, Elsevier, vol. 33(6), pages 831-851.

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    More about this item

    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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